Effect of Noble Metal in CdS/M/TiO 2 for Photocatalytic Degradation of Methylene Blue under Visible Light

Shaohua Shen; Liejin Guo; Xiaobo Chen; Feng Ren; Coleman X. Kronawitter; Samuel S. Mao

doi:10.1080/19430841003684823

Effect of Noble Metal in CdS/M/TiO ₂ for Photocatalytic Degradation of Methylene Blue under Visible Light

Shaohua Shen, Liejin Guo, Xiaobo Chen, Feng Ren, Coleman X. Kronawitter, Samuel S. Mao

Mechanical & Nuclear Engineering

Research output: Contribution to journal › Article › peer-review

39 Scopus citations

Abstract

The CdS/M/TiO ₂ (M = Ag, Ru, Au, Pd, and Pt) three-component nanojunction systems were constructed using a two-step photodeposition method, and evaluated for their photocatalytic activities through the degradation of methylene blue in aqueous solution under visible light irradiation. The authors found that the photocatalytic activity of CdS/M/TiO ₂ (M=Ag, Ru, Au, Pd, Pt) three-component nanojunctions was superior to that of CdS/TiO ₂ two-component system. Moreover, the photocatalytic activity of the three-component nanojunction system was found to be dependent significantly on the type of the noble metals. The results can be explained by the influence of charge transfer on the basis of the work functions of different noble metals.

Original language	British English
Pages (from-to)	M94-M104
Journal	International Journal of Green Nanotechnology: Materials Science and Engineering
Volume	1
Issue number	2
DOIs	https://doi.org/10.1080/19430841003684823
State	Published - May 2010

Keywords

CdS/M/TiO
heterojunction
noble metal
photocatalysis
Z-scheme

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10.1080/19430841003684823

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title = "Effect of Noble Metal in CdS/M/TiO 2 for Photocatalytic Degradation of Methylene Blue under Visible Light",

abstract = "The CdS/M/TiO 2 (M = Ag, Ru, Au, Pd, and Pt) three-component nanojunction systems were constructed using a two-step photodeposition method, and evaluated for their photocatalytic activities through the degradation of methylene blue in aqueous solution under visible light irradiation. The authors found that the photocatalytic activity of CdS/M/TiO 2 (M=Ag, Ru, Au, Pd, Pt) three-component nanojunctions was superior to that of CdS/TiO 2 two-component system. Moreover, the photocatalytic activity of the three-component nanojunction system was found to be dependent significantly on the type of the noble metals. The results can be explained by the influence of charge transfer on the basis of the work functions of different noble metals.",

keywords = "CdS/M/TiO, heterojunction, noble metal, photocatalysis, Z-scheme",

author = "Shaohua Shen and Liejin Guo and Xiaobo Chen and Feng Ren and Kronawitter, {Coleman X.} and Mao, {Samuel S.}",

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AU - Shen, Shaohua

AU - Guo, Liejin

AU - Chen, Xiaobo

AU - Ren, Feng

AU - Kronawitter, Coleman X.

AU - Mao, Samuel S.

PY - 2010/5

Y1 - 2010/5

N2 - The CdS/M/TiO 2 (M = Ag, Ru, Au, Pd, and Pt) three-component nanojunction systems were constructed using a two-step photodeposition method, and evaluated for their photocatalytic activities through the degradation of methylene blue in aqueous solution under visible light irradiation. The authors found that the photocatalytic activity of CdS/M/TiO 2 (M=Ag, Ru, Au, Pd, Pt) three-component nanojunctions was superior to that of CdS/TiO 2 two-component system. Moreover, the photocatalytic activity of the three-component nanojunction system was found to be dependent significantly on the type of the noble metals. The results can be explained by the influence of charge transfer on the basis of the work functions of different noble metals.

AB - The CdS/M/TiO 2 (M = Ag, Ru, Au, Pd, and Pt) three-component nanojunction systems were constructed using a two-step photodeposition method, and evaluated for their photocatalytic activities through the degradation of methylene blue in aqueous solution under visible light irradiation. The authors found that the photocatalytic activity of CdS/M/TiO 2 (M=Ag, Ru, Au, Pd, Pt) three-component nanojunctions was superior to that of CdS/TiO 2 two-component system. Moreover, the photocatalytic activity of the three-component nanojunction system was found to be dependent significantly on the type of the noble metals. The results can be explained by the influence of charge transfer on the basis of the work functions of different noble metals.

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KW - photocatalysis

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Effect of Noble Metal in CdS/M/TiO ₂ for Photocatalytic Degradation of Methylene Blue under Visible Light

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